If you are not sure if the website you would like to visit is secure, you can verify it here. Enter the website address of the page and see parts of its content and the thumbnail images on this site. None (if any) dangerous scripts on the referenced page will be executed. Additionally, if the selected site contains subpages, you can verify it (review) in batches containing 5 pages.
favicon.ico: gravity.photon.at - Front Page  Gravity.

site address: gravity.photon.at redirected to: gravity.photon.at

site title: Front Page Gravity

Our opinion (on Monday 02 November 2026 14:30:58 UTC):

GREEN status (no comments) - no comments
After content analysis of this website we propose the following hashtags:



Meta tags:
description=How does curved space look like?This site discusses gravity as envisioned in Albert Einstein’s theory of general relativity, covering both aspects of photo-realistic optical effects and scientific visualizations of the gravitational field based on numerical simulations.;

Headings (most frequently used words):

black, how, holes, can, of, curved, space, does, look, like, hole, what, if, earth, we, at, visual, gravity, images, happens, collide, was, form, out, pure, vaccum, study, home, do, orbiting, create, radiation, that, observe,

Text of the page (most frequently used words):
the (33), black (24), hole (12), #gravity (11), holes (9), and (7), gravitational (7), that (5), einstein (5), waves (5), earth (5), how (5), can (5), like (5), relativity (4), front (4), this (4), home (4), desk (4), using (3), are (3), institute (3), general (3), have (3), its (3), radiation (3), optical (3), mass (3), vacuum (3), form (3), with (3), mach (3), principle (3), where (3), two (3), look (3), page (3), provided (2), for (2), albert (2), images (2), here (2), photon (2), years (2), his (2), theory (2), which (2), they (2), actually (2), allowed (2), into (2), solar (2), however (2), simple (2), just (2), glass (2), energy (2), pure (2), was (2), masses (2), would (2), light (2), around (2), could (2), what (2), such (2), from (2), does (2), numerical (2), curved (2), space (2), relativistic (2), fashion (2), beyond (2), about (2), review (2), temperature (2), acceleration (2), tackling (2), riddles (2), hawking (2), riemann (2), tensor (2), brill (2), newman (2), penrose (2), pseudoscalars (2), grazing (2), collision (2), vino (2), veritas (2), top, 日本語, español, deutsch, english, 2026, built, wordpress, highlight, theme, publication, generally, permitted, proper, image, credits, given, zuse, berlin, zib, max, planck, physics, aei, louisiana, state, university, lsu, airborne, hydromapping, gmbh, ahm, werner, benger, presented, copyrighted, email, contact, facebook, group, discussions, content, may, set, some, later, time, 100, after, published, predicts, been, observed, elaborated, instrumental, apparatus, observational, data, identiy, exact, astrophysical, scenario, feed, parameters, computer, simulation, orbiting, create, observe, often, depicted, eclipse, something, dark, round, bright, background, there, surprisinglyy, way, reproduce, properties, method, means, most, people, wine, study, but, has, equivalent, thus, high, concentration, matter, involved, all, finding, violates, even, though, foundational, conceptual, grounding, development, out, vaccum, 2500, compacted, volume, our, planet, become, entire, surface, always, remains, visible, more, day, night, hiding, behind, very, particular, distance, orbit, travel, circle, little, outside, event, horizon, astronaut, see, own, back, simply, another, bigger, resulting, lighter, than, sum, original, difference, radiated, away, ripples, spacetime, exhibit, complex, pattern, related, stretching, pulling, various, directions, happens, collide, exert, immense, gravitation, strongly, bent, them, investigate, familiar, environment, experiment, play, lens, made, site, discusses, envisioned, covering, both, aspects, photo, realistic, effects, scientific, visualizations, field, based, simulations, insights, visual,


Text of the page (random words):
front page gravity gravity front page a black hole on the desk the black earth in vino veritas the grazing collision of two black holes the newman penrose pseudoscalars ψ mach s principle brill waves gravitational vacuum waves the riemann tensor hawking radiation tackling the riddles of gravity the temperature of acceleration review of the black hole on the desk about gravity beyond einstein relativistic fashion gravity front page a black hole on the desk the black earth in vino veritas the grazing collision of two black holes the newman penrose pseudoscalars ψ mach s principle brill waves gravitational vacuum waves the riemann tensor hawking radiation tackling the riddles of gravity the temperature of acceleration review of the black hole on the desk about gravity beyond einstein relativistic fashion visual gravity images of curved space insights from 25 years of numerical relativity how does curved space look like this site discusses gravity as envisioned in albert einstein s theory of general relativity covering both aspects of photo realistic optical effects and scientific visualizations of the gravitational field based on numerical simulations how does a black hole look like black holes exert such an immense gravitation such that light is strongly bent around them how would a black look like if we could investigate it in a familiar environment at home and experiment with it like we play with an optical lens made from glass what happens if black holes collide simply they form another bigger black hole however this resulting black hole is lighter than the sum of the masses of the two original black hole the difference in mass is radiated away as ripples in spacetime that exhibit a complex pattern related to its stretching pulling in various directions what if earth was a black hole if 2500 solar masses where compacted into the volume of our home planet it would become a black hole where its entire surface always remains visible no more day and night no hiding behind at the very particular distance of the photon orbit where light can travel around on a circle just a little outside of the event horizon an astronaut could see his own back can black holes form out of pure vaccum black holes have mass gravitational energy is pure vacuum but has a mass equivalent thus a high concentration of gravitational energy can form a black hole with no matter involved at all this finding actually violates mach s principle even though it was foundational to the conceptual grounding and development of general relativity how can we study black holes at home often black holes are depicted like a solar eclipse as something dark and round in front of a bright background however there is surprisinglyy simple way to reproduce the optical properties of a black hole and this method is just using simple means that most people have at home a glass of wine how do orbiting black holes create radiation that we can observe at earth 100 years after einstein published his theory of general relativity which predicts gravitational waves they have actually been observed on earth using elaborated instrumental apparatus the observational data allowed to identiy the exact astrophysical scenario which allowed to feed its parameters into a computer simulation a facebook group for discussions on the content provided here may be set up at some later time email contact gravity at photon at the images presented here are copyrighted by zuse institute berlin zib max planck institute for gravitational physics albert einstein institute aei louisiana state university lsu airborne hydromapping gmbh ahm werner benger publication is generally permitted provided that proper image credits are given 2026 gravity built using wordpress and highlight theme english deutsch español 日本語 top
Thumbnail images (randomly selected): * Images may be subject to copyright.GREEN status (no comments)

Verified site has: 25 subpage(s). Do you want to verify them? Verify pages:

1-5 6-10 11-15 16-20 21-25


Top 50 hastags from of all verified websites.

Supplementary Information (add-on for SEO geeks)*- See more on header.verify-www.com

Header

HTTP/1.1 301 Moved Permanently
Date Mon, 02 Nov 2026 14:30:58 GMT
Server Apache/2.4.69 (Debian)
Location htt????/gravity.photon.at/
Content-Length 357
Connection close
Content-Type text/html; charset=iso-8859-1
HTTP/1.1 200 OK
Date Mon, 02 Nov 2026 14:30:58 GMT
Server Apache/2.4.69 (Debian)
Vary Accept-Encoding,Cookie
Cache-Control max-age=3, must-revalidate
Content-Encoding gzip
Content-Length 19955
Connection close
Content-Type text/html; charset=UTF-8

Meta Tags

title="Front Page Gravity"
charset="UTF-8"
name="viewport" content="width=device-width, initial-scale=1"
name="robots" content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
name="description" content="How does curved space look like?This site discusses gravity as envisioned in Albert Einstein’s theory of general relativity, covering both aspects of photo-realistic optical effects and scientific visualizations of the gravitational field based on numerical simulations."
property="og:locale" content="en_US"
property="og:locale:alternate" content="de_DE"
property="og:locale:alternate" content="es_ES"
property="og:locale:alternate" content="ja_JP"
property="og:type" content="website"
property="og:title" content="Front Page — Gravity"
property="og:description" content="How does curved space look like?This site discusses gravity as envisioned in Albert Einstein’s theory of general relativity, covering both aspects of photo-realistic optical effects and scientific visualizations of the gravitational field based on numerical simulations."
property="og:url" content="htt????/gravity.photon.at/"
property="og:site_name" content="Gravity"
property="article:modified_time" content="2025-10-05T12:57:37+00:00"
name="twitter:card" content="summary_large_image"
name="generator" content="WordPress 7.1.3"
name="generator" content="Site Kit by Google 1.189.0"
name="msapplication-TileImage" content="htt????/gravity.photon.at/wp-content/uploads/sites/3/2019/02/cropped-BHColl-Purpur-innen-1-270x270.jpg"

Load Info

page size19955
load time (s)0.236417
redirect count1
speed download84555
server IP 213.160.72.218
* all occurrences of the string "http://" have been changed to "htt???/"